Classifications

• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
  • G11B20/10—Digital recording or reproducing
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
  • G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
  • G06F16/43—Querying
  • G06F16/438—Presentation of query results
  • G06F16/4387—Presentation of query results by the use of playlists
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
  • G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
  • G06F16/43—Querying
  • G06F16/438—Presentation of query results
  • G06F16/4387—Presentation of query results by the use of playlists
  • G06F16/4393—Multimedia presentations, e.g. slide shows, multimedia albums
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
  • G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
  • G06F16/48—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually

Definitions

• the present invention relates to an apparatus and a method for displaying photo and video data (hereinafter referred to as 'AV data') and a storage medium on which a program to execute the displaying method is recorded, and more particularly to management of photo and video data among multimedia data in the format of Multi- Photo Video or MusicPhoto Video (both of which are hereinafter referred to as 'MPV') and provision of the same to users.
• 'AV data' photo and video data
• 'MPV' Multi- Photo Video or MusicPhoto Video
• MPV is an industrial standard specification dedicated to multimedia titles, published by the Optical Storage Technology Association (hereinafter referred to as 'OSTA'), an international trade association established by optical storage makers in 2002. Namely, MPV is a standard specification to provide a variety of music, photo and video data more conveniently or to manage and process the multimedia data. The definition of MPV and other standard specifications are available for use through the official web site (www.osta.org) of the OSTA.
• PC personal computers
• Devices for playing the media content e.g., digital cameras, digital camcorders, digital audio players (namely, digital audio data playing devices such as Moving Picture Experts Group Layer- 3 Audio (MP3), Window Media Audio (WMA) and so on) have been in frequent use, and various kinds of media data have been produced in large quantities accordingly.
• MP3 Moving Picture Experts Group Layer- 3 Audio
• WMA Window Media Audio
• a picture is captured by use of a digital camera, and data such as the sequence for attributes of a show determined by use of a slideshow function to identify the captured picture on the digital camera, time intervals between pictures, relations between pictures whose attributes determined by use of a panorama iinction are taken, and attributes determined by use of a consecutive photoing function are stored along with actual picture data as the source data.
• data such as the sequence for attributes of a show determined by use of a slideshow function to identify the captured picture on the digital camera, time intervals between pictures, relations between pictures whose attributes determined by use of a panorama iinction are taken, and attributes determined by use of a consecutive photoing function are stored along with actual picture data as the source data.
• the digital camera transfers pictures to a television set by use of an AV cable, a user can see multimedia data whose respective attributes are represented.
• USB universal serial bus
• MPV specification defines Manifest, Metadata and Practice to process and play sets of multimedia data such as digital pictures, video, audio, etc. stored in a storage medium (or device) comprising an optical disk, a memory card, and a computer hard disk, or exchanged by the Internet Protocol (IP).
• IP Internet Protocol
• MPV MPV Storage Technology Association
• I3A International Imaging Industry Association
• the MPV takes an open specification and mainly proposes to make it easy to process, exchange and play sets of digital pictures, video, digital audio and text and so on.
• MPV is roughly classified into MPV Core-Spec (0.90WD) and Profile.
• the core is composed of three basic factors such as Collection, Metadata and Identification.
• the Collection has Manifest as a Root member, and it comprises Metadata, Album, MarkedAsset and AssetList, etc.
• the Asset refers to multimedia data described according to the MPV format, being classified into two kinds: Simple media asset (e.g., digital pictures, digital audio, text, etc.) and Composite media asset (e.g., digital picture combined with digital audio (StillWithAudio), digital pictures photoed con- secutively (StillMultishotSequence), and panorama digital pictures (StillPanoramaSequence), etc.).
• FIG. 1 illustrates examples of StillWithAudio, StillMultishotSequence, and StillPanoramaSequence.
• Metadata adopts the format of extensible markup language (XML) and has five kinds of identifiers for identification.
• LastURL is path name and file name of a concerned asset (Path to the object),
• InstancelD is an ID unique to each asset (unique per object: e.g., Exif 2.2),
• MPV supports management of various file associations by use of XML metadata so as to allow various multimedia data recorded on storage media to be played.
• MPV supports JPEG (Joint Photographic Experts Group), MP3, WMA (Windows Media Audio), WMV (Windows Media Video), MPEG-1 (Moving Picture Experts Group- 1), MPEG-2, MPEG-4, and digital camera formats such as AVI (Audio Video Interleaved ) and Quick Time MJPEG (Motion Joint Photographic Experts Group ) video.
• MPV specification- adopted discs are compatible with BO9660 level 1, Joliet, and also multi-session CD (Compact Disc), DVD (Digital Versatile Disc), memory cards, hard discs and Internet, thereby allowing users to manage and process various multimedia data. Disclosure of Invention Technical Problem
• the present invention has been proposed to provide formats of new multimedia data in addition to various formats of multimedia data defined in the current MPV formats, and increase the utilization of multimedia data of various kinds by proposing a method to provide multimedia data described according to MPV formats, to users in various ways.
• an apparatus for displaying multimedia data described according to a MusicPhoto Video (MPV) format wherein it is checked whether an asset selected by a user is comprised of single photo data and one or more video data, reference information needed for displaying the photo data and the one or more video data is extracted, and the photo data and the one or more video data are extracted using the extracted reference information and sequentially displayed using a predetermined displaying method.
• MPV MusicPhoto Video
• the asset includes information on a display time when the photo data is displayed and information on a position at which the photo data is displayed.
• the displaying method preferably comprises a first displaying method in which the video data is displayed after the photo data is displayed, and a second displaying method in which the photo data is displayed after the video data is displayed.
• an apparatus for displaying multimedia data described according to a MusicPhoto Video (MPV) format wherein it is checked whether an asset selected by a user is comprised of single video data and one or more photo data, reference information needed for displaying the video data and the photo data is extracted, and the video data and the one or more photo data are extracted using the extracted reference information and sequentially displayed using a predetermined displaying method.
• MPV MusicPhoto Video
• the asset includes information on a display time when each photo data is displayed and information on a position at which the photo data is displayed.
• the displaying method may comprise a first displaying method in which the photo data is displayed before the video data is displayed, a second displaying method in which the photo data is displayed while the video data is displayed, a third displaying method in which the photo data is displayed after playback of the video data is completed, and a fourth displaying method which is a combination of at least two or more displaying methods.
• a method for displaying multimedia data described according to a MusicPhoto Video (MPV) format comprising: checking whether an asset selected by a user is comprised of single photo data and one or more video data; extracting reference information needed for displaying the photo data and the video data; and extracting the photo data and the one or more video data using the extracted reference information and sequentially displaying the same using a predetermined displaying method.
• MPV MusicPhoto Video
• the asset includes information on a display time when the photo data is displayed and information on a position at which the photo data is displayed.
• the displaying method preferably comprises a first displaying method in which the video data is displayed after the photo data is displayed, and a second displaying method in which the photo data is displayed after the video data is displayed.
• a method for displaying multimedia data described according to a MusicPhoto Video (MPV) format comprising: checking whether an asset selected by a user is comprised of single video data and one or more photo data; extracting reference information needed for displaying the video data and the photo data; and extracting the video data and the one or more photo data using the extracted reference information and sequentially displaying the same using a predetermined displaying method.
• MPV MusicPhoto Video
• the asset may include information on a display time when the photo data is displayed and information on a position at which the photo data is displayed
• the displaying method may comprise a first displaying method in which the photo data is displayed before the video data is displayed, a second displaying method in which the photo data is displayed while the video data is displayed, a third displaying method in which the photo data is displayed after playback of the video data is completed, and a fourth displaying method which is a combination of at least two or more displaying methods.
• a recording medium on which a program for displaying multimedia data described according to a MusicPhoto Video (MPV) format is recorded, wherein the program checks whether an asset selected by a user is comprised of single photo data and one or more video data, reference information needed for displaying the photo data and the one or more video data is extracted, and the photo data and the one or more video data are extracted using the extracted reference information and displayed sequentially displayed using a predetermined displaying method, the predetermined displaying method comprising a first displaying method in which the video data is displayed after the photo data is displayed, and a second displaying method in which the photo data is displayed after the video data is displayed.
• MPV MusicPhoto Video
• the asset includes information on a display time when the photo data is displayed and information on a position at which the photo data is displayed.
• a recording medium on which a program for displaying multimedia data described according to a MusicPhoto Video (MPV) format is recorded, wherein the program checks whether an asset selected by a user is comprised of single video data and one or more photo data, reference information needed for displaying the video data and the photo data is extracted, and the video data and the one or more photo data are extracted using the extracted reference information and sequentially displayed using a predetermined displaying method, the predetermined displaying method comprising a first displaying method in which the photo data is displayed before the video data is displayed, a second displaying method in which the photo data is displayed while the video data is displayed, a third displaying method in which the photo data is displayed after playback of the video data is completed, and a fourth displaying method which is a combination of at least two or more displaying methods.
• MPV MusicPhoto Video
• the asset may include information on a display time when the photo data is displayed and information on a position at which the photo data is displayed.
• FIG. 1 is an exemplary diagram of the type of assets specified in a MusicPhoto Video (MPV) specification
• FIG. 2 is an exemplary diagram briefly showing a configuration of a ⁇ Photo With Video> asset consistent with an embodiment of the present invention
• FIG. 3 is an exemplary diagram briefly defining a ⁇ PhotoDur> element consistent with an embodiment of the present invention
• FIG. 4 is an exemplary diagram briefly defining a ⁇ PhotoLocation> element consistent with an embodiment of the present invention
• FIG. 5 is an exemplary diagram briefly showing a type definition for a ⁇ Pho- toLocation> element consistent with an embodiment of the present invention
• FIG. 6 is an exemplary diagram of a spatial relationship among ⁇ PhotoLocation> elements
• FIG. 8 is an exemplary diagram briefly showing a configuration of a ⁇ Vide- oWithPhoto> asset consistent with an embodiment of the present invention
• FIG. 9 is an exemplary diagram briefly defining a ⁇ PhotoDurSeq> element consistent with an embodiment of the present invention.
• FIG. 10 is an exemplary diagram showing a type definition for a ⁇ Video WithPhoto > element consistent with an embodiment of the present invention.
• FIG. 11 is an exemplary diagram briefly defining a ⁇ PhotoWithVideoRef> element consistent with an embodiment of the present invention
• FIG. 12 is an exemplary diagram briefly defining a ⁇ Video WithPhotoRef> element consistent with an embodiment of the present invention
• FIG. 13 is an exemplary diagram briefly defining a ⁇ PhotoRefGr ⁇ p> consistent with an embodiment of the present invention
• FIG. 14 is a flowchart illustrating a method for playing back a 'Photo With Video' asset consistent with an embodiment of the present invention.
• FIGS. 15 and 16 are a flowchart illustrating a method for playing back a 'Vide- oWithPhoto' asset consistent with an embodiment of the present invention.
• Mode for Invention
• Various multimedia data are provided herein by proposing new assets of Audio With Video' and 'Video WithAudio' not provided by the OSTA.
• the following terms 'smpv' and 'mpv' are used to refer to 'namespace' in XML, wherein the former indicates a namespace relative to a new element proposed in the present invention and the latter indicates a namespace relative to an element proposed by the OSTA.
• the definitions and examples of these new assets will be described.
• 'PhotoWithVideo' is an asset that combines a single photo asset with at least one video asset. If the asset is described using XML, it can be referred to as a ⁇ Photo With Video> element. The photo asset and the video asset are treated as an element in a file described using XML.
• the photo asset can be represented by ⁇ mpv:StillRef>, ⁇ mpv:StillMultiShotSequenceRef>, and ⁇ mpv:StillPanoramaRef>
• the video asset can be represented by ⁇ smpv:VideoPartRef>, ⁇ mpv:VideoRef>, ⁇ smpv:VideoWithAudioRef>, and ⁇ smpv:AudioWithVideoRef>.
• the ⁇ VideoPartRef> element refers a ⁇ VideoPart> element, which represents a part of the Video asset.
• the ⁇ VideoPart> element includes children elements defined by ⁇ smpv:start>, ⁇ smpv:stop> and ⁇ smpv:dur>. At least one among the children elements must have a specific value.
• FIG. 2 schematically defines a configuration of a ⁇ PhotoWithVideo> asset.
• the ⁇ Photo WithVideo> element comprises multiple children elements using 'mpv' and 'smpv' as namespaces.
• a ⁇ PhotoDur> element represents a time in which a single photo asset is displayed in units of seconds.
• the ⁇ PhotoDur> element is an essential element for defining the ⁇ Photo With Video> element.
• FIG. 3 briefly shows the ⁇ PhotoDur> element.
• a ⁇ PhotoLocation> element defines the position of a photo asset. That is, the ⁇ PhotoLocation> element represents the temporal or spatial position in which a single photo asset is displayed while multiple video assets are displayed.
• FIG. 4 briefly defines the ⁇ PhotoLocation> element.
• a ⁇ PhotoRole> element among the children elements forming the ⁇ PhotoLocation> element represents the temporal relationship.
• FIG. 5 shows a type definition of the ⁇ PhotoLocation> element
• FIG. 6 shows the positional relationship between each of a ⁇ PhotoLeft> element, a ⁇ PhotoTop> element, a ⁇ PhotoWidth> element, and a ⁇ PhotoHeight> element forming the ⁇ PhotoLocation> element.
• FIG. 7 shows a type definition of the ⁇ PhotoWithVideo> element.
• 'Example 1' defines that photo data referred to as 'SOOT should be displayed for 5 seconds before video data referred to as 'V001' is played back.
• the photo data referred to as 'SOOT can be used in displaying the played video title or messages relating to data-copy.
• 'VideoWithPhoto' is an asset that combines single video asset with one or more photo assets.
• the asset described using XML can be referred to as the ⁇ Vide- oWithPhoto> element.
• the photo assets and the video asset described using XML are treated as elements.
• the photo asset can be represented by 'mpv:StillRef , 'mpv:StillMultiShotSequenceRef , or 'mpv:StillPnoramaRef
• the video asset can be represented by 'SMPV:VideoPartRef , 'mpv:VideoRef , 'SMPVVideoWithAudioRef , or 'SMPV:AudioWithVideoRef .
• the 'VideoWithPhoto' asset is used for displaying a plurality of photo data while a single video data is playing. Thus, different kinds of photo data can be displayed a predetermined time before, while and after playing the video data.
• FIG. 8 schematically shows a structure of the 'VideoWithPhoto' element. As shown in FIG. 8, the ⁇ VideoWithPhoto> element includes a plurality of elements using 'mpv' and 'smpv' as namespaces, respectively.
• clock-value ( ⁇ seconds> I ⁇ unknown-dur>)
• Equation 1 means that the value of the ⁇ PhotoDurSeq> element can be represented by 'clock- value' and, when there are two or more photo data, a display time of each photo data can be distinguished using ";”.
• Equation 2 means that the 'clock- value' in [Equation 1] can be represented by 'seconds' or nknown-dur'.
• [Equation 4] means that the value of 'seconds' in [Equation 2] is represented by a decimal number and the display time of pertinent photo data is represented by a decimal point.
• the 'clock- value' of '12.2' means that the display time of the pertinent photo data is 12.2 seconds.
• the 'clock-value' of '20;8.9' means that the number of pertinent photo data is 2, the playback time of the first photo data is 20 seconds and the playback time of the second photo data is 8.9 seconds.
• FIG. 8 defines a ⁇ StartSeq> element, which is a child element of ⁇ Vide- oWithPhoto> element, in which the value of the ⁇ StartSeq> element represents the time when the video data starts to be played back.
• the ⁇ StartSeq> element is represented in units of seconds and is a relative time value based on the time when the video data starts to be played back, which is also be given by decimal representation. For example, when the value of ⁇ StartSeq> element is not set, it is assumed that the corresponding value is 0 seconds. In other words, the start time corresponds to the time when the pertinent video data starts to be played back.
• 'Example 1' defines that photo data referred to as 'SOOl' should be displayed for 5 seconds before video data referred to as VOOl' is played back.
• the photo data referred to as 'SOOl' can be used in displaying the played video title or messages relating to data-copy.
• FIG. 10 illustrates a type definition for a ⁇ VideoWithPhoto> element.
• a ⁇ PhotoWithVideoRef> element is structured to make reference to the ⁇ Photo With Video> element.
• FIG. 11 briefly describes the ⁇ PhotoWithVideoRef> element.
• (3) ⁇ VideoWithPhotoRef> [106] A ⁇ VideoWithPhotoRef> element is structured to make reference to ⁇ Vide- oWithPhoto> element.
• FIG. 12 briefly describes the ⁇ VideoWithPhotoRef> element.
• the present invention defines a reference group for referencing photo assets, which is referred to as 'PhotoRefGr ⁇ up' and is briefly described in FIG. 13.
• FIG. 14 is a flowchart illustrating a process of playing back a 'PhotoWithVideo' asset consistent with an embodiment of the present invention, particularly illustrating a process for displaying 'PhotoWithVideo' in which a photo asset is combined with a video asset.
• step SI 300 When a user runs software for MVP file playback and selects the 'PhotoWithVideo' asset in a particular album in step SI 300. Then, a thread or a child processor is created and information on the respective photo assets and information on the video assets are collected.
• a reference ID for the photo assets forming the user's selected 'PhotoWithVideo' asset is extracted in step S1305. Then, information on the photo asset is extracted from AssetList using the extracted reference ID, although not shown in the flowchart.
• a reference ID for a video asset combined with the photo asset is extracted in step S1310. Then, information on the video asset is extracted from AssetList using the reference ID for the video asset, although not shown in the flowchart.
• FIGS. 15 and 16 are a flowchart illustrating a process of playing back a 'VideoWithPhoto' asset consistent with an embodiment of the present invention.
• a user executes the software capable of executing any file written according to the MPV format and selects 'VideoWithPhoto' asset in a certain album S1400. Then, a thread or a child processor is generated, which collects information on photo assets and video assets.
• a reference ID for the video asset forming the user's selected 'VideoWithPhoto' asset is extracted in step S1405. Then, information on the video asset is extracted from AssetList using the extracted reference ID, although not shown in the flowchart.
• a reference ID for a photo asset combined with the video asset is extracted in step S1410. Then, information on the photo asset is extracted from AssetList using the extracted reference ID for the photo asset, although not shown in the flowchart.
• a plurality of photo assets forming the 'VideoWithPhoto' asset are arranged using the information on the ⁇ PhotoDurSeq> element, ⁇ StartSeq> element or ⁇ PhotoLocation> element sequentially in a display order in step S1415.
• step S1420 the plurality of photo assets are grouped into several groups: a first group comprised of photo assets displayed before the video asset forming the 'VideoWithPhoto' asset is played back; a second group comprised of photo assets displayed while the video asset is played back; and a third group comprised of photo assets displayed after the video asset is played back.
• information on the grouping can be stored in a separate database in step S1425.
• step S1430 the photo assets belonging to the first group are first displayed on information on the grouping performed in step S1420. Then, a video asset to be played back is initialized in step S1435, and the video asset and the photo assets belonging to the second group are simultaneously displayed according to predetermined display information in step SI 440 and 1445.
• step S1450 If the playback of the video asset is completed, the photo assets belonging to the third group is displayed in step S1450.
• Multimedia data provided in MPV format can be described in the form of XML documents, which can be changed to a plurality of application documents according to stylesheets applied to the XML documents.
• the stylesheets to change an XML document to an HTML document has been applied, whereby a user is allowed to manage audio and video data through a browser.
• the stylesheets to change the XML document to a WML (Wireless Markup Language) or cHTML (Compact HTML) document may be applied, thereby allowing the user to access audio and video data described in the MPV format through mobile terminals such as a personal digital assistant (PDA), a cellular phone, a smart phone and so on.
• PDA personal digital assistant
• the present invention provides users with a new form of multimedia data assets in combination of audio data and video data, thereby allowing the users to generate and use various multimedia data described in the MPV format.

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• 2004
  • 2004-09-10 CA CA002539889A patent/CA2539889A1/en not_active Abandoned
  • 2004-09-10 RU RU2006113932/28A patent/RU2345428C2/ru not_active IP Right Cessation
  • 2004-09-10 EP EP04774569A patent/EP1671327A4/en not_active Withdrawn
  • 2004-09-10 JP JP2006527906A patent/JP2007507149A/ja active Pending
  • 2004-09-10 WO PCT/KR2004/002310 patent/WO2005029491A1/en active Application Filing
  • 2004-09-27 US US10/949,253 patent/US20050071762A1/en not_active Abandoned

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